I think the answer would have to be 749 because usually 0,1,2,3,4 gets rounded down and 5,6,7,8,9 gets rounded up.
749 rounded to the nearest hundred is 700
As there is a 4 in the tens position, we round down to give 700 as the answer.
700
Anything from 650 to 749.
700
750
By the nearest tenth I will assume this means 0.1 of something. Since your questions states .831 this would be 0.8 to the nearest tenth making your final answer, 748.8 To 3S.F this would be 749.
700
700
I think the answer would have to be 749 because usually 0,1,2,3,4 gets rounded down and 5,6,7,8,9 gets rounded up.
749, to the nearest 500.
749 rounded to the nearest hundred is 700
700
As there is a 4 in the tens position, we round down to give 700 as the answer.
700
Anything from 650 to 749.